dinput: Don't reset dead zone and saturation when setting data format.
[wine] / dlls / dinput / joystick_linuxinput.c
1 /*              DirectInput Joystick device
2  *
3  * Copyright 1998,2000 Marcus Meissner
4  * Copyright 1998,1999 Lionel Ulmer
5  * Copyright 2000-2001 TransGaming Technologies Inc.
6  * Copyright 2005 Daniel Remenak
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21  */
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <assert.h>
27 #include <stdarg.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <time.h>
31 #ifdef HAVE_UNISTD_H
32 # include <unistd.h>
33 #endif
34 #ifdef HAVE_SYS_TIME_H
35 # include <sys/time.h>
36 #endif
37 #include <sys/fcntl.h>
38 #ifdef HAVE_SYS_IOCTL_H
39 # include <sys/ioctl.h>
40 #endif
41 #include <errno.h>
42 #ifdef HAVE_SYS_ERRNO_H
43 # include <sys/errno.h>
44 #endif
45 #ifdef HAVE_LINUX_INPUT_H
46 # include <linux/input.h>
47 # undef SW_MAX
48 # if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
49 #  define HAVE_CORRECT_LINUXINPUT_H
50 # endif
51 #endif
52 #ifdef HAVE_SYS_POLL_H
53 # include <sys/poll.h>
54 #endif
55
56 #include "wine/debug.h"
57 #include "wine/unicode.h"
58 #include "windef.h"
59 #include "winbase.h"
60 #include "winerror.h"
61 #include "dinput.h"
62
63 #include "dinput_private.h"
64 #include "device_private.h"
65
66 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
67
68 #ifdef HAVE_CORRECT_LINUXINPUT_H
69
70 #define EVDEVPREFIX     "/dev/input/event"
71
72 /* Wine joystick driver object instances */
73 #define WINE_JOYSTICK_MAX_AXES    8
74 #define WINE_JOYSTICK_MAX_POVS    4
75 #define WINE_JOYSTICK_MAX_BUTTONS 128
76
77 typedef struct EffectListItem EffectListItem;
78 struct EffectListItem
79 {
80         LPDIRECTINPUTEFFECT ref;
81         struct EffectListItem* next;
82 };
83
84 /* implemented in effect_linuxinput.c */
85 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, LPDIRECTINPUTEFFECT* peff);
86 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
87 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
88
89 typedef struct JoystickImpl JoystickImpl;
90 static const IDirectInputDevice8AVtbl JoystickAvt;
91 static const IDirectInputDevice8WVtbl JoystickWvt;
92
93 struct JoyDev {
94         char *device;
95         char *name;
96         GUID guid;
97
98         int has_ff;
99         int num_effects;
100
101         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
102         BYTE                            evbits[(EV_MAX+7)/8];
103         BYTE                            absbits[(ABS_MAX+7)/8];
104         BYTE                            keybits[(KEY_MAX+7)/8];
105         BYTE                            ffbits[(FF_MAX+7)/8];   
106
107 #define AXIS_ABS     0
108 #define AXIS_ABSMIN  1
109 #define AXIS_ABSMAX  2
110 #define AXIS_ABSFUZZ 3
111 #define AXIS_ABSFLAT 4
112
113         /* data returned by the EVIOCGABS() ioctl */
114         int                             axes[ABS_MAX][5];
115 };
116
117 struct ObjProps
118 {
119         /* what we have */
120         LONG                            havemax;
121         LONG                            havemin;
122         /* what range and deadzone the game wants */
123         LONG                            wantmin;
124         LONG                            wantmax;
125         LONG                            deadzone;
126 };
127
128 struct JoystickImpl
129 {
130         struct IDirectInputDevice2AImpl base;
131
132         struct JoyDev                  *joydev;
133
134         /* The 'parent' DInput */
135         IDirectInputImpl               *dinput;
136
137         /* joystick private */
138         int                             joyfd;
139
140         DIJOYSTATE2                     js;
141
142         struct ObjProps                 props[ABS_MAX];
143
144         int                             axes[ABS_MAX];
145
146         /* LUT for KEY_ to offset in rgbButtons */
147         BYTE                            buttons[KEY_MAX];
148
149         DWORD                           numAxes;
150         DWORD                           numPOVs;
151         DWORD                           numButtons;
152
153         /* Force feedback variables */
154         EffectListItem*                 top_effect;
155         int                             ff_state;
156 };
157
158 static void fake_current_js_state(JoystickImpl *ji);
159 static DWORD map_pov(int event_value, int is_x);
160 static void find_joydevs(void);
161
162 /* This GUID is slightly different from the linux joystick one. Take note. */
163 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
164   0x9e573eda,
165   0x7734,
166   0x11d2,
167   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
168 };
169
170 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
171
172 #define MAX_JOYDEV 64
173
174 static int have_joydevs = -1;
175 static struct JoyDev *joydevs = NULL;
176
177 static void find_joydevs(void)
178 {
179   int i;
180
181   if (have_joydevs!=-1) {
182     return;
183   }
184
185   have_joydevs = 0;
186
187   for (i=0;i<MAX_JOYDEV;i++) {
188     char        buf[MAX_PATH];
189     struct JoyDev joydev = {0};
190     int fd;
191     int no_ff_check = 0;
192     int j;
193
194     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
195     buf[MAX_PATH-1] = 0;
196
197     if ((fd=open(buf, O_RDWR))==-1) {
198       fd = open(buf, O_RDONLY);
199       no_ff_check = 1;
200     }
201
202     if (fd!=-1) {
203       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
204         perror("EVIOCGBIT 0");
205         close(fd);
206         continue; 
207       }
208       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
209         perror("EVIOCGBIT EV_ABS");
210         close(fd);
211         continue;
212       }
213       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
214         perror("EVIOCGBIT EV_KEY");
215         close(fd);
216         continue;
217       }
218       /* A true joystick has at least axis X and Y, and at least 1
219        * button. copied from linux/drivers/input/joydev.c */
220       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
221           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
222               test_bit(joydev.keybits,BTN_A)    ||
223               test_bit(joydev.keybits,BTN_1)
224           )
225          ) {
226
227         joydev.device = strdup(buf);
228
229         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
230           buf[MAX_PATH-1] = 0;
231           joydev.name = strdup(buf);
232         } else {
233           joydev.name = joydev.device;
234         }
235
236         joydev.guid = DInput_Wine_Joystick_Base_GUID;
237         joydev.guid.Data3 += have_joydevs;
238
239         TRACE("Found a joystick on %s: %s (%s)\n", 
240             joydev.device, joydev.name, 
241             debugstr_guid(&joydev.guid)
242             );
243
244 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
245         if (!no_ff_check &&
246             test_bit(joydev.evbits, EV_FF) &&
247             ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
248             ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
249             joydev.num_effects > 0)
250         {
251             TRACE(" ... with force feedback\n");
252             joydev.has_ff = 1;
253         }
254 #endif
255
256         for (j=0;j<ABS_MAX;j++) {
257           if (test_bit(joydev.absbits,j)) {
258             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
259               TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
260                   j,
261                   joydev.axes[j][AXIS_ABS],
262                   joydev.axes[j][AXIS_ABSMIN],
263                   joydev.axes[j][AXIS_ABSMAX],
264                   joydev.axes[j][AXIS_ABSFUZZ],
265                   joydev.axes[j][AXIS_ABSFLAT]
266                   );
267             }
268           }
269         }
270
271         if (have_joydevs==0) {
272           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
273         } else {
274           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
275         }
276         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
277         have_joydevs++;
278       }
279
280       close(fd);
281     }
282   }
283 }
284
285 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
286 {
287   find_joydevs();
288
289   if (id >= have_joydevs) {
290     return FALSE;
291   }
292  
293   if (!((dwDevType == 0) ||
294         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
295         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
296     return FALSE;
297
298 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
299   if (dwFlags & DIEDFL_FORCEFEEDBACK)
300     return FALSE;
301 #endif
302
303   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
304     lpddi->guidInstance = joydevs[id].guid;
305     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
306
307     lpddi->guidFFDriver = GUID_NULL;
308     if (version >= 0x0800)
309       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
310     else
311       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
312
313     strcpy(lpddi->tszInstanceName, joydevs[id].name);
314     strcpy(lpddi->tszProductName, joydevs[id].device);
315     return TRUE;
316   }
317   return FALSE;
318 }
319
320 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
321 {
322   find_joydevs();
323
324   if (id >= have_joydevs) {
325     return FALSE;
326   }
327
328   if (!((dwDevType == 0) ||
329         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
330         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
331     return FALSE;
332
333 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
334   if (dwFlags & DIEDFL_FORCEFEEDBACK)
335     return FALSE;
336 #endif
337
338   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
339     lpddi->guidInstance = joydevs[id].guid;
340     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
341
342     lpddi->guidFFDriver = GUID_NULL;
343     if (version >= 0x0800)
344       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
345     else
346       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
347
348     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
349     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
350     return TRUE;
351   }
352   return FALSE;
353 }
354
355 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, struct JoyDev *joydev)
356 {
357     JoystickImpl* newDevice;
358     LPDIDATAFORMAT df = NULL;
359     int i, idx = 0;
360
361     newDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(JoystickImpl));
362     if (!newDevice) return NULL;
363
364   newDevice->base.lpVtbl = jvt;
365   newDevice->base.ref = 1;
366   memcpy(&newDevice->base.guid, rguid, sizeof(*rguid));
367   InitializeCriticalSection(&newDevice->base.crit);
368   newDevice->joyfd = -1;
369   newDevice->dinput = dinput;
370   newDevice->joydev = joydev;
371 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
372   newDevice->ff_state = FF_STATUS_STOPPED;
373 #endif
374
375     /* Create copy of default data format */
376     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
377     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
378     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
379
380     /* Supported Axis & POVs should map 1-to-1 */
381     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
382     {
383         if (!test_bit(newDevice->joydev->absbits, i)) {
384             newDevice->axes[i] = -1;
385             continue;
386         }
387
388         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
389         newDevice->axes[i] = idx;
390         newDevice->props[idx].havemin = newDevice->joydev->axes[i][AXIS_ABSMIN];
391         newDevice->props[idx].havemax = newDevice->joydev->axes[i][AXIS_ABSMAX];
392         newDevice->props[idx].wantmin = 0;
393         newDevice->props[idx].wantmax = 0xffff;
394         newDevice->props[idx].deadzone = 0;
395         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
396     }
397
398     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
399     {
400         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
401             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
402             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
403             continue;
404         }
405
406         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
407         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
408         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
409     }
410
411     /* Buttons can be anywhere, so check all */
412     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
413     {
414         if (!test_bit(newDevice->joydev->keybits, i)) continue;
415
416         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
417         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
418         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
419     }
420     df->dwNumObjs = idx;
421
422     fake_current_js_state(newDevice);
423
424     newDevice->base.data_format.wine_df = df;
425     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->dinput);
426     return newDevice;
427
428 failed:
429     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
430     HeapFree(GetProcessHeap(), 0, df);
431     HeapFree(GetProcessHeap(), 0, newDevice);
432     return NULL;
433 }
434
435 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
436 {
437   int i;
438
439   find_joydevs();
440
441   for (i=0; i<have_joydevs; i++) {
442     if (IsEqualGUID(&GUID_Joystick,rguid) ||
443         IsEqualGUID(&joydevs[i].guid,rguid)
444         ) {
445       if ((riid == NULL) ||
446           IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
447           IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
448           IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
449           IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
450         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, &joydevs[i]);
451         TRACE("Creating a Joystick device (%p)\n", *pdev);
452         if (*pdev==0) {
453           ERR("out of memory\n");
454           return DIERR_OUTOFMEMORY;
455         }
456         return DI_OK;
457       } else {
458         return DIERR_NOINTERFACE;
459       }
460     }
461   }
462
463   return DIERR_DEVICENOTREG;
464 }
465
466
467 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
468 {
469   int i;
470
471   find_joydevs();
472
473   for (i=0; i<have_joydevs; i++) {
474     if (IsEqualGUID(&GUID_Joystick,rguid) ||
475         IsEqualGUID(&joydevs[i].guid,rguid)
476         ) {
477       if ((riid == NULL) ||
478           IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
479           IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
480           IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
481           IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
482         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, &joydevs[i]);
483         TRACE("Creating a Joystick device (%p)\n", *pdev);
484         if (*pdev==0) {
485           ERR("out of memory\n");
486           return DIERR_OUTOFMEMORY;
487         }
488         return DI_OK;
489       } else {
490         return DIERR_NOINTERFACE;
491       }
492     }
493   }
494
495   return DIERR_DEVICENOTREG;
496 }
497
498 const struct dinput_device joystick_linuxinput_device = {
499   "Wine Linux-input joystick driver",
500   joydev_enum_deviceA,
501   joydev_enum_deviceW,
502   joydev_create_deviceA,
503   joydev_create_deviceW
504 };
505
506 /******************************************************************************
507  *      Joystick
508  */
509 static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
510 {
511         JoystickImpl *This = (JoystickImpl *)iface;
512         ULONG ref;
513
514         ref = InterlockedDecrement(&This->base.ref);
515         if (ref)
516                 return ref;
517
518         /* Reset the FF state, free all effects, etc */
519         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
520
521         /* Free the data queue */
522         HeapFree(GetProcessHeap(), 0, This->base.data_queue);
523
524         /* release the data transform filter */
525         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df->rgodf);
526         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df);
527         release_DataFormat(&This->base.data_format);
528
529         IDirectInput_Release((LPDIRECTINPUTDEVICE8A)This->dinput);
530         DeleteCriticalSection(&This->base.crit);
531         
532         HeapFree(GetProcessHeap(),0,This);
533         return 0;
534 }
535
536 /******************************************************************************
537   *     Acquire : gets exclusive control of the joystick
538   */
539 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
540 {
541     JoystickImpl *This = (JoystickImpl *)iface;
542     HRESULT res;
543
544     TRACE("(this=%p)\n",This);
545
546     res = IDirectInputDevice2AImpl_Acquire(iface);
547     if (res==DI_OK) {
548       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
549         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
550           /* Couldn't open the device at all */
551           perror(This->joydev->device);
552           IDirectInputDevice2AImpl_Unacquire(iface);
553           return DIERR_NOTFOUND;
554         } else {
555           /* Couldn't open in r/w but opened in read-only. */
556           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
557         }
558       }
559     }
560
561     return res;
562 }
563
564 /******************************************************************************
565   *     Unacquire : frees the joystick
566   */
567 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
568 {
569     JoystickImpl *This = (JoystickImpl *)iface;
570     HRESULT res;
571
572     TRACE("(this=%p)\n",This);
573     res = IDirectInputDevice2AImpl_Unacquire(iface);
574     if (res==DI_OK && This->joyfd!=-1) {
575       close(This->joyfd);
576       This->joyfd = -1;
577     }
578     return res;
579 }
580
581 /*
582  * This maps the read value (from the input event) to a value in the
583  * 'wanted' range. It also autodetects the possible range of the axis and
584  * adapts values accordingly.
585  */
586 static int
587 map_axis(JoystickImpl* This, int axis, int val) {
588     int hmax = This->props[axis].havemax;
589     int hmin = This->props[axis].havemin;
590     int wmin = This->props[axis].wantmin;
591     int wmax = This->props[axis].wantmax;
592     int ret;
593
594     /* map the value from the hmin-hmax range into the wmin-wmax range */
595     ret = MulDiv( val - hmin, wmax - wmin, hmax - hmin ) + wmin;
596
597     TRACE("hmin=%d hmax=%d wmin=%d wmax=%d val=%d ret=%d\n", hmin, hmax, wmin, wmax, val, ret);
598
599 #if 0
600     /* deadzone doesn't work comfortably enough right now. needs more testing*/
601     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
602         FIXME("%d in deadzone, return mid.\n",val);
603         return (wmax-wmin)/2+wmin;
604     }
605 #endif
606     return ret;
607 }
608
609 /* 
610  * set the current state of the js device as it would be with the middle
611  * values on the axes
612  */
613 static void fake_current_js_state(JoystickImpl *ji)
614 {
615         int i;
616         /* center the axes */
617         ji->js.lX           = ji->axes[ABS_X]!=-1        ? map_axis(ji, ji->axes[ABS_X],        ji->joydev->axes[ABS_X       ][AXIS_ABS]) : 0;
618         ji->js.lY           = ji->axes[ABS_Y]!=-1        ? map_axis(ji, ji->axes[ABS_Y],        ji->joydev->axes[ABS_Y       ][AXIS_ABS]) : 0;
619         ji->js.lZ           = ji->axes[ABS_Z]!=-1        ? map_axis(ji, ji->axes[ABS_Z],        ji->joydev->axes[ABS_Z       ][AXIS_ABS]) : 0;
620         ji->js.lRx          = ji->axes[ABS_RX]!=-1       ? map_axis(ji, ji->axes[ABS_RX],       ji->joydev->axes[ABS_RX      ][AXIS_ABS]) : 0;
621         ji->js.lRy          = ji->axes[ABS_RY]!=-1       ? map_axis(ji, ji->axes[ABS_RY],       ji->joydev->axes[ABS_RY      ][AXIS_ABS]) : 0;
622         ji->js.lRz          = ji->axes[ABS_RZ]!=-1       ? map_axis(ji, ji->axes[ABS_RZ],       ji->joydev->axes[ABS_RZ      ][AXIS_ABS]) : 0;
623         ji->js.rglSlider[0] = ji->axes[ABS_THROTTLE]!=-1 ? map_axis(ji, ji->axes[ABS_THROTTLE], ji->joydev->axes[ABS_THROTTLE][AXIS_ABS]) : 0;
624         ji->js.rglSlider[1] = ji->axes[ABS_RUDDER]!=-1   ? map_axis(ji, ji->axes[ABS_RUDDER],   ji->joydev->axes[ABS_RUDDER  ][AXIS_ABS]) : 0;
625         /* POV center is -1 */
626         for (i=0; i<4; i++) {
627                 ji->js.rgdwPOV[i] = -1;
628         }
629 }
630
631 /*
632  * Maps an event value to a DX "clock" position:
633  *           0
634  * 27000    -1 9000
635  *       18000
636  */
637 static DWORD map_pov(int event_value, int is_x) 
638 {
639         DWORD ret = -1;
640         if (is_x) {
641                 if (event_value<0) {
642                         ret = 27000;
643                 } else if (event_value>0) {
644                         ret = 9000;
645                 }
646         } else {
647                 if (event_value<0) {
648                         ret = 0;
649                 } else if (event_value>0) {
650                         ret = 18000;
651                 }
652         }
653         return ret;
654 }
655
656 /* convert wine format offset to user format object index */
657 static void joy_polldev(JoystickImpl *This)
658 {
659     struct pollfd plfd;
660     struct input_event ie;
661
662     if (This->joyfd==-1)
663         return;
664
665     while (1)
666     {
667         LONG value = 0;
668         int inst_id = -1;
669
670         plfd.fd = This->joyfd;
671         plfd.events = POLLIN;
672
673         if (poll(&plfd,1,0) != 1)
674             return;
675
676         /* we have one event, so we can read */
677         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
678             return;
679
680         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
681         switch (ie.type) {
682         case EV_KEY:    /* button */
683         {
684             int btn = This->buttons[ie.code];
685
686             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
687             if (btn & 0x80)
688             {
689                 btn &= 0x7F;
690                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
691                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
692             }
693             break;
694         }
695         case EV_ABS:
696         {
697             int axis = This->axes[ie.code];
698             if (axis==-1) {
699                 break;
700             }
701             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
702             value = map_axis(This, axis, ie.value);
703
704             switch (ie.code) {
705             case ABS_X:         This->js.lX  = value; break;
706             case ABS_Y:         This->js.lY  = value; break;
707             case ABS_Z:         This->js.lZ  = value; break;
708             case ABS_RX:        This->js.lRx = value; break;
709             case ABS_RY:        This->js.lRy = value; break;
710             case ABS_RZ:        This->js.lRz = value; break;
711             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
712             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
713             case ABS_HAT0X:
714             case ABS_HAT0Y:
715                 This->js.rgdwPOV[0] = value = map_pov(ie.value, ie.code==ABS_HAT0X);
716                 break;
717             case ABS_HAT1X:
718             case ABS_HAT1Y:
719                 This->js.rgdwPOV[1] = value = map_pov(ie.value, ie.code==ABS_HAT1X);
720                 break;
721             case ABS_HAT2X:
722             case ABS_HAT2Y:
723                 This->js.rgdwPOV[2] = value  = map_pov(ie.value, ie.code==ABS_HAT2X);
724                 break;
725             case ABS_HAT3X:
726             case ABS_HAT3Y:
727                 This->js.rgdwPOV[3] = value  = map_pov(ie.value, ie.code==ABS_HAT3X);
728                 break;
729             default:
730                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
731                 break;
732             }
733             break;
734         }
735 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
736         case EV_FF_STATUS:
737             This->ff_state = ie.value;
738             break;
739 #endif
740 #ifdef EV_SYN
741         case EV_SYN:
742             /* there is nothing to do */
743             break;
744 #endif
745         default:
746             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
747             break;
748         }
749         if (inst_id >= 0)
750             queue_event((LPDIRECTINPUTDEVICE8A)This,
751                         id_to_offset(&This->base.data_format, inst_id),
752                         value, ie.time.tv_usec, This->dinput->evsequence++);
753     }
754 }
755
756 /******************************************************************************
757   *     GetDeviceState : returns the "state" of the joystick.
758   *
759   */
760 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
761         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
762 ) {
763     JoystickImpl *This = (JoystickImpl *)iface;
764
765     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
766
767     if (This->joyfd==-1) {
768         WARN("not acquired\n");
769         return DIERR_NOTACQUIRED;
770     }
771
772     joy_polldev(This);
773
774     /* convert and copy data to user supplied buffer */
775     fill_DataFormat(ptr, &This->js, &This->base.data_format);
776
777     return DI_OK;
778 }
779
780 /******************************************************************************
781   *     SetProperty : change input device properties
782   */
783 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
784                                             REFGUID rguid,
785                                             LPCDIPROPHEADER ph)
786 {
787   JoystickImpl *This = (JoystickImpl *)iface;
788
789   if (!ph) {
790     WARN("invalid argument\n");
791     return DIERR_INVALIDPARAM;
792   }
793
794   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
795   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
796         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
797
798   if (!HIWORD(rguid)) {
799     switch (LOWORD(rguid)) {
800     case (DWORD)DIPROP_RANGE: {
801       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
802
803       if (ph->dwHow == DIPH_DEVICE) {
804         int i;
805         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
806         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
807           This->props[i].wantmin = pr->lMin;
808           This->props[i].wantmax = pr->lMax;
809         }
810       } else {
811         int obj = find_property(&This->base.data_format, ph);
812
813         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
814         if (obj >= 0) {
815           This->props[obj].wantmin = pr->lMin;
816           This->props[obj].wantmax = pr->lMax;
817         }
818       }
819       fake_current_js_state(This);
820       break;
821     }
822     case (DWORD)DIPROP_DEADZONE: {
823       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
824       if (ph->dwHow == DIPH_DEVICE) {
825         int i;
826         TRACE("deadzone(%d) all\n", pd->dwData);
827         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
828           This->props[i].deadzone = pd->dwData;
829         }
830       } else {
831         int obj = find_property(&This->base.data_format, ph);
832
833         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
834         if (obj >= 0) {
835           This->props[obj].deadzone = pd->dwData;
836         }
837       }
838       fake_current_js_state(This);
839       break;
840     }
841     case (DWORD)DIPROP_CALIBRATIONMODE: {
842       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
843       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
844       break;
845     }
846     default:
847       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
848     }
849   }
850   return DI_OK;
851 }
852
853 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
854         LPDIRECTINPUTDEVICE8A iface,
855         LPDIDEVCAPS lpDIDevCaps)
856 {
857     JoystickImpl *This = (JoystickImpl *)iface;
858
859     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
860
861     if (!lpDIDevCaps) {
862         WARN("invalid pointer\n");
863         return E_POINTER;
864     }
865
866     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
867         WARN("invalid argument\n");
868         return DIERR_INVALIDPARAM;
869     }
870
871     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
872     if (This->dinput->dwVersion >= 0x0800)
873         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
874     else
875         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
876
877     if (This->joydev->has_ff) 
878          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
879
880     lpDIDevCaps->dwAxes = This->numAxes;
881     lpDIDevCaps->dwButtons = This->numButtons;
882     lpDIDevCaps->dwPOVs = This->numPOVs;
883
884     return DI_OK;
885 }
886
887 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
888     JoystickImpl *This = (JoystickImpl *)iface;
889     TRACE("(%p)\n",This);
890
891     if (This->joyfd==-1) {
892       return DIERR_NOTACQUIRED;
893     }
894
895     joy_polldev(This);
896     return DI_OK;
897 }
898
899 /******************************************************************************
900   *     GetProperty : get input device properties
901   */
902 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
903                                                 REFGUID rguid,
904                                                 LPDIPROPHEADER pdiph)
905 {
906     JoystickImpl *This = (JoystickImpl *)iface;
907
908     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
909     _dump_DIPROPHEADER(pdiph);
910
911     if (HIWORD(rguid)) return DI_OK;
912
913     switch (LOWORD(rguid)) {
914     case (DWORD) DIPROP_RANGE:
915     {
916         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
917         int obj = find_property(&This->base.data_format, pdiph);
918
919         if (obj < 0) return DIERR_OBJECTNOTFOUND;
920
921         pr->lMin = This->props[obj].wantmin;
922         pr->lMax = This->props[obj].wantmax;
923         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
924         break;
925     }
926     case (DWORD) DIPROP_DEADZONE:
927     {
928         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
929         int obj = find_property(&This->base.data_format, pdiph);
930
931         if (obj < 0) return DIERR_OBJECTNOTFOUND;
932
933         pd->dwData = This->props[obj].deadzone;
934         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
935         break;
936     }
937
938     default:
939         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
940     }
941
942     return DI_OK;
943 }
944
945 /******************************************************************************
946   *     GetObjectInfo : get information about a device object such as a button
947   *                     or axis
948   */
949 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
950         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
951 {
952     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
953     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
954     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
955     HRESULT res;
956
957     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
958     if (res != DI_OK) return res;
959
960     if      (pdidoi->dwType & DIDFT_AXIS)
961         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
962     else if (pdidoi->dwType & DIDFT_POV)
963         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
964     else if (pdidoi->dwType & DIDFT_BUTTON)
965         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
966
967     _dump_OBJECTINSTANCEW(pdidoi);
968     return res;
969 }
970
971 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
972         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
973 {
974     HRESULT res;
975     DIDEVICEOBJECTINSTANCEW didoiW;
976     DWORD dwSize = pdidoi->dwSize;
977
978     didoiW.dwSize = sizeof(didoiW);
979     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
980     if (res != DI_OK) return res;
981
982     memset(pdidoi, 0, pdidoi->dwSize);
983     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
984     pdidoi->dwSize = dwSize;
985     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
986                         sizeof(pdidoi->tszName), NULL, NULL);
987
988     return res;
989 }
990
991 /****************************************************************************** 
992   *     CreateEffect - Create a new FF effect with the specified params
993   */
994 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
995                                                  REFGUID rguid,
996                                                  LPCDIEFFECT lpeff,
997                                                  LPDIRECTINPUTEFFECT *ppdef,
998                                                  LPUNKNOWN pUnkOuter)
999 {
1000 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1001     EffectListItem* new = NULL;
1002     HRESULT retval = DI_OK;
1003 #endif
1004
1005     JoystickImpl* This = (JoystickImpl*)iface;
1006     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1007
1008 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1009     TRACE("not available (compiled w/o ff support)\n");
1010     *ppdef = NULL;
1011     return DI_OK;
1012 #else
1013
1014     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1015     new->next = This->top_effect;
1016     This->top_effect = new;
1017
1018     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1019     if (retval != DI_OK)
1020         return retval;
1021
1022     if (lpeff != NULL)
1023         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1024     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1025         return retval;
1026
1027     *ppdef = new->ref;
1028
1029     if (pUnkOuter != NULL)
1030         FIXME("Interface aggregation not implemented.\n");
1031
1032     return DI_OK;
1033
1034 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1035
1036
1037 /*******************************************************************************
1038  *      EnumEffects - Enumerate available FF effects
1039  */
1040 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1041                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1042                                                 LPVOID pvRef,
1043                                                 DWORD dwEffType)
1044 {
1045 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1046     DIEFFECTINFOA dei; /* feif */
1047     DWORD type = DIEFT_GETTYPE(dwEffType);
1048     JoystickImpl* This = (JoystickImpl*)iface;
1049
1050     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1051
1052     dei.dwSize = sizeof(DIEFFECTINFOA);          
1053
1054     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1055         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1056         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1057         (*lpCallback)(&dei, pvRef);
1058     }
1059
1060     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1061         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1062         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1063             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1064             (*lpCallback)(&dei, pvRef);
1065         }
1066         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1067             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1068             (*lpCallback)(&dei, pvRef);
1069         }
1070         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1071             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1072             (*lpCallback)(&dei, pvRef);
1073         }
1074         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1075             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1076             (*lpCallback)(&dei, pvRef);
1077         }
1078         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1079             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1080             (*lpCallback)(&dei, pvRef);
1081         }
1082     } 
1083
1084     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1085         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1086         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1087         (*lpCallback)(&dei, pvRef);
1088     }
1089
1090     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1091         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1092             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1093             (*lpCallback)(&dei, pvRef);
1094         }
1095         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1096             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1097             (*lpCallback)(&dei, pvRef);
1098         }
1099         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1100             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1101             (*lpCallback)(&dei, pvRef);
1102         }
1103         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1104             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1105             (*lpCallback)(&dei, pvRef);
1106         }
1107     }
1108
1109 #endif
1110
1111     return DI_OK;
1112 }
1113
1114 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1115                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1116                                                 LPVOID pvRef,
1117                                                 DWORD dwEffType)
1118 {
1119 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1120     /* seems silly to duplicate all this code but all the structures and functions
1121      * are actually different (A/W) */
1122     DIEFFECTINFOW dei; /* feif */
1123     DWORD type = DIEFT_GETTYPE(dwEffType);
1124     JoystickImpl* This = (JoystickImpl*)iface;
1125     int xfd = This->joyfd;
1126
1127     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1128
1129     dei.dwSize = sizeof(DIEFFECTINFOW);          
1130
1131     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1132         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1133         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1134         (*lpCallback)(&dei, pvRef);
1135     }
1136
1137     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1138         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1139         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1140             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1141             (*lpCallback)(&dei, pvRef);
1142         }
1143         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1144             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1145             (*lpCallback)(&dei, pvRef);
1146         }
1147         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1148             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1149             (*lpCallback)(&dei, pvRef);
1150         }
1151         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1152             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1153             (*lpCallback)(&dei, pvRef);
1154         }
1155         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1156             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1157             (*lpCallback)(&dei, pvRef);
1158         }
1159     } 
1160
1161     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1162         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1163         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1164         (*lpCallback)(&dei, pvRef);
1165     }
1166
1167     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1168         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1169             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1170             (*lpCallback)(&dei, pvRef);
1171         }
1172         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1173             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1174             (*lpCallback)(&dei, pvRef);
1175         }
1176         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1177             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1178             (*lpCallback)(&dei, pvRef);
1179         }
1180         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1181             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1182             (*lpCallback)(&dei, pvRef);
1183         }
1184     }
1185
1186     /* return to unacquired state if that's where it was */
1187     if (xfd == -1)
1188         IDirectInputDevice8_Unacquire(iface);
1189 #endif
1190
1191     return DI_OK;
1192 }
1193
1194 /*******************************************************************************
1195  *      GetEffectInfo - Get information about a particular effect 
1196  */
1197 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1198                                                   LPDIEFFECTINFOA pdei,
1199                                                   REFGUID guid)
1200 {
1201     JoystickImpl* This = (JoystickImpl*)iface;
1202
1203     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1204
1205 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1206     return linuxinput_get_info_A(This->joyfd, guid, pdei); 
1207 #else
1208     return DI_OK;
1209 #endif
1210 }
1211
1212 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1213                                                   LPDIEFFECTINFOW pdei,
1214                                                   REFGUID guid)
1215 {
1216     JoystickImpl* This = (JoystickImpl*)iface;
1217             
1218     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1219         
1220 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1221     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1222 #else
1223     return DI_OK;
1224 #endif
1225 }
1226
1227 /*******************************************************************************
1228  *      GetForceFeedbackState - Get information about the device's FF state 
1229  */
1230 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1231         LPDIRECTINPUTDEVICE8A iface,
1232         LPDWORD pdwOut)
1233 {
1234     JoystickImpl* This = (JoystickImpl*)iface;
1235
1236     TRACE("(this=%p,%p)\n", This, pdwOut);
1237
1238     (*pdwOut) = 0;
1239
1240 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1241     /* DIGFFS_STOPPED is the only mandatory flag to report */
1242     if (This->ff_state == FF_STATUS_STOPPED)
1243         (*pdwOut) |= DIGFFS_STOPPED;
1244 #endif
1245
1246     return DI_OK;
1247 }
1248
1249 /*******************************************************************************
1250  *      SendForceFeedbackCommand - Send a command to the device's FF system
1251  */
1252 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1253         LPDIRECTINPUTDEVICE8A iface,
1254         DWORD dwFlags)
1255 {
1256     JoystickImpl* This = (JoystickImpl*)iface;
1257     TRACE("(this=%p,%d)\n", This, dwFlags);
1258
1259 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1260     if (dwFlags == DISFFC_STOPALL) {
1261         /* Stop all effects */
1262         EffectListItem* itr = This->top_effect;
1263         while (itr) {
1264             IDirectInputEffect_Stop(itr->ref);
1265             itr = itr->next;
1266         }
1267     } else if (dwFlags == DISFFC_RESET) {
1268         /* Stop, unload, release and free all effects */
1269         /* This returns the device to its "bare" state */
1270         while (This->top_effect) {
1271             EffectListItem* temp = This->top_effect;
1272             IDirectInputEffect_Stop(temp->ref);
1273             IDirectInputEffect_Unload(temp->ref);
1274             IDirectInputEffect_Release(temp->ref);
1275             This->top_effect = temp->next;
1276             HeapFree(GetProcessHeap(), 0, temp);
1277         }
1278     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1279         FIXME("No support for Pause or Continue in linux\n");
1280     } else if (dwFlags == DISFFC_SETACTUATORSOFF 
1281                 || dwFlags == DISFFC_SETACTUATORSON) {
1282         FIXME("No direct actuator control in linux\n");
1283     } else {
1284         FIXME("Unknown Force Feedback Command!\n");
1285         return DIERR_INVALIDPARAM;
1286     }
1287     return DI_OK;
1288 #else
1289     return DIERR_UNSUPPORTED;
1290 #endif
1291 }
1292
1293 /*******************************************************************************
1294  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1295  *              created for this device.
1296  */
1297 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1298         LPDIRECTINPUTDEVICE8A iface,
1299         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1300         LPVOID pvRef,
1301         DWORD dwFlags)
1302 {
1303     /* this function is safe to call on non-ff-enabled builds */
1304
1305     JoystickImpl* This = (JoystickImpl*)iface;
1306     EffectListItem* itr = This->top_effect;
1307     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1308
1309     if (!lpCallback)
1310         return DIERR_INVALIDPARAM;
1311
1312     if (dwFlags != 0)
1313         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1314
1315     while (itr) {
1316         (*lpCallback)(itr->ref, pvRef);
1317         itr = itr->next;
1318     }
1319
1320     return DI_OK;
1321 }
1322
1323 static const IDirectInputDevice8AVtbl JoystickAvt =
1324 {
1325         IDirectInputDevice2AImpl_QueryInterface,
1326         IDirectInputDevice2AImpl_AddRef,
1327         JoystickAImpl_Release,
1328         JoystickAImpl_GetCapabilities,
1329         IDirectInputDevice2AImpl_EnumObjects,
1330         JoystickAImpl_GetProperty,
1331         JoystickAImpl_SetProperty,
1332         JoystickAImpl_Acquire,
1333         JoystickAImpl_Unacquire,
1334         JoystickAImpl_GetDeviceState,
1335         IDirectInputDevice2AImpl_GetDeviceData,
1336         IDirectInputDevice2AImpl_SetDataFormat,
1337         IDirectInputDevice2AImpl_SetEventNotification,
1338         IDirectInputDevice2AImpl_SetCooperativeLevel,
1339         JoystickAImpl_GetObjectInfo,
1340         IDirectInputDevice2AImpl_GetDeviceInfo,
1341         IDirectInputDevice2AImpl_RunControlPanel,
1342         IDirectInputDevice2AImpl_Initialize,
1343         JoystickAImpl_CreateEffect,
1344         JoystickAImpl_EnumEffects,
1345         JoystickAImpl_GetEffectInfo,
1346         JoystickAImpl_GetForceFeedbackState,
1347         JoystickAImpl_SendForceFeedbackCommand,
1348         JoystickAImpl_EnumCreatedEffectObjects,
1349         IDirectInputDevice2AImpl_Escape,
1350         JoystickAImpl_Poll,
1351         IDirectInputDevice2AImpl_SendDeviceData,
1352         IDirectInputDevice7AImpl_EnumEffectsInFile,
1353         IDirectInputDevice7AImpl_WriteEffectToFile,
1354         IDirectInputDevice8AImpl_BuildActionMap,
1355         IDirectInputDevice8AImpl_SetActionMap,
1356         IDirectInputDevice8AImpl_GetImageInfo
1357 };
1358
1359 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1360 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1361 #else
1362 # define XCAST(fun)     (void*)
1363 #endif
1364
1365 static const IDirectInputDevice8WVtbl JoystickWvt =
1366 {
1367         IDirectInputDevice2WImpl_QueryInterface,
1368         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1369         XCAST(Release)JoystickAImpl_Release,
1370         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1371         IDirectInputDevice2WImpl_EnumObjects,
1372         XCAST(GetProperty)JoystickAImpl_GetProperty,
1373         XCAST(SetProperty)JoystickAImpl_SetProperty,
1374         XCAST(Acquire)JoystickAImpl_Acquire,
1375         XCAST(Unacquire)JoystickAImpl_Unacquire,
1376         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1377         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1378         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1379         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1380         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1381         JoystickWImpl_GetObjectInfo,
1382         IDirectInputDevice2WImpl_GetDeviceInfo,
1383         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1384         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1385         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1386         JoystickWImpl_EnumEffects,
1387         JoystickWImpl_GetEffectInfo,
1388         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1389         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1390         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1391         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1392         XCAST(Poll)JoystickAImpl_Poll,
1393         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1394         IDirectInputDevice7WImpl_EnumEffectsInFile,
1395         IDirectInputDevice7WImpl_WriteEffectToFile,
1396         IDirectInputDevice8WImpl_BuildActionMap,
1397         IDirectInputDevice8WImpl_SetActionMap,
1398         IDirectInputDevice8WImpl_GetImageInfo
1399 };
1400 #undef XCAST
1401
1402 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1403
1404 const struct dinput_device joystick_linuxinput_device = {
1405   "Wine Linux-input joystick driver",
1406   NULL,
1407   NULL,
1408   NULL,
1409   NULL
1410 };
1411
1412 #endif  /* HAVE_CORRECT_LINUXINPUT_H */